Bus Bars on batteries [RE-wrenches]

[Bill Brooks]

Bob,

In my mind the issue is whether the busbar was designed to be used with that
particular battery. Since the only battery systems to be listed are UPSs,
anything we do with batteries could probably be challenged by an inspector.

My personal preference is flexible cables like those that Trace sells. The
key benefit of flexibility is that it does not stress the battery terminals.
Busbars and rigid cables can stress terminals unless they have been designed
as part of a system where terminal stress has been considered in the
engineered design.

Our industry is in desperate need of listed battery systems. It will make
inspection much more straightforward.

Bill.

> -----Original Message-----
> From: Bob Ellison, Alternative Energy Systems [mailto:ellison at gisco.net]
> Sent: Monday, September 17, 2001 7:36 AM
> To: RE-wrenches
> Subject: Bus Bars on batteries [RE-wrenches]
>
>
> Can anyone tell me where in article 690 of the NEC that bus bars are
> excluded from use in home power systems?
> I had a discussion with a telecom designer and they use them all the time.
>
> Thanks,
> Bob
>
>
> RE. Ellison
> Supplier of;
> Diesel Generators &
> Alternative Energy Systems & Supplies
> 34642 Countryman Road
> Theresa, NY. USA
>                               13691-2076
>
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